Gases:A gas is one of the states of matter; the others are solids, liquids, and plasma. Gases expand or compress to fill any volume. Many are odorless although hydrogen sulfide smells like rotten eggs.Answer and
What elements on the periodic table are nonmetals? What elements on the periodic table are gases? What element family does bohrium belong to on the periodic table? What are the first 20 elements and their atomic numbers? What is the heaviest element on the periodic table?
Hint: It has one electron!First Element of the Periodic Table:The periodic table is a table in which the chemical elements are arranged by atomic number. It starts with the element with the lowest atomic number all the way to the element with the highest atomic number, Oganesso...
all elements are reactiveB. oxygen only reacts with hydrogen and carbonC. it requires extraordinary energy for nuclei to mix togetherD. noble gases can only react with others at a high speed53. In Stanton's opinion, if we put all the elements into a sealed container,A. it can endanger ...
Noble gases are monatomic, they exist as single atoms. Neon is used for neon signs, helium is used in balloons, argon is used in 3D printing, welding, lasers and has lots of other manufacturing uses. Radioactive Elements Many of the elements at the bottom of the table ( in green ) are...
The element name can tell you something about its properties. Elements with names ending with -genare nonmetals that are gases in pure form at room temperature. Elements that have names ending with -inebelong to a group of elements called halogens. Halogens are extremely reactive and readily ...
was there an accurate or reliable model of atoms that could describe observed chemical behaviors. The so-called 'noble gases' (helium, neon, xenon, etc.) and many other elements were unknown. As more elements were identified, however, Mendeleev's crude periodic table was expanded and refined....
Did you happen to notice any patterns in the materials that make up the sun? Hydrogen and helium are the first two elements on the periodic table: the simplest and lightest. The heavier and more complex an element, the less of it we find in the sun. ...
Similar on a Basic Level Metals usually appear in crystalline structures, while nonmetals take many different forms. Noble gases, as their name implies, appear as gasses at room temperature. All elements can form compounds, though some do so less readily than others. Similarly, every element can...
The elements on the right-hand side of the periodic table are thenonmetals. Nonmetals properties are: usually poor conductors of heat and electricity often liquids or gases at room temperature and pressure lack metallic luster readily gain electrons (high electron affinity) ...